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<div class="title">mpf_dtmf_detector.h</div>  </div>
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<a href="mpf__dtmf__detector_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright 2009-2010 Tomas Valenta, Arsen Chaloyan</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *     http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * limitations under the License.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef MPF_DTMF_DETECTOR_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MPF_DTMF_DETECTOR_H</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * @file mpf_dtmf_detector.h</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * @brief DTMF detector</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * Detector of DTMF tones sent both out-of-band (RFC4733) and in-band (audio).</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;apr.h&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;apr_pools.h&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="apt_8h.html">apt.h</a>&quot;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="mpf__frame_8h.html">mpf_frame.h</a>&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="mpf__stream_8h.html">mpf_stream.h</a>&quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<a class="code" href="apt_8h.html#ad3d792bfc75893affad257781ea46e55">APT_BEGIN_EXTERN_C</a></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment">/** DTMF detector band */</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117">   36</a></span>&#160;<span class="keyword">typedef</span> <span class="keyword">enum</span> <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117">mpf_dtmf_detector_band_e</a> {<span class="comment"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">    /** Detect tones in-band */</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a620f10aac9a5ac4ad6b092fcc728bfae">   38</a></span>&#160;    <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a620f10aac9a5ac4ad6b092fcc728bfae">MPF_DTMF_DETECTOR_INBAND</a>  = 0x1,<span class="comment"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">    /** Detect named events out-of-band */</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117aa6b6dcf7496d4c69a892e290f2034af5">   40</a></span>&#160;    <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117aa6b6dcf7496d4c69a892e290f2034af5">MPF_DTMF_DETECTOR_OUTBAND</a> = 0x2,<span class="comment"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">    /** Detect both in-band and out-of-band digits */</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a3c063d8e41830362eeb8618bc3c0c1d9">   42</a></span>&#160;    <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a3c063d8e41830362eeb8618bc3c0c1d9">MPF_DTMF_DETECTOR_BOTH</a> = <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a620f10aac9a5ac4ad6b092fcc728bfae">MPF_DTMF_DETECTOR_INBAND</a> | <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117aa6b6dcf7496d4c69a892e290f2034af5">MPF_DTMF_DETECTOR_OUTBAND</a></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;} <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117">mpf_dtmf_detector_band_e</a>;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">/** Opaque MPF DTMF detector structure definition */</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">   46</a></span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment"> * Create MPF DTMF detector (advanced).</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"> * @param stream      A stream to get digits from.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"> * @param band        One of:</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment"> *   - MPF_DTMF_DETECTOR_INBAND: detect audible tones only</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"> *   - MPF_DTMF_DETECTOR_OUTBAND: detect out-of-band named-events only</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment"> *   - MPF_DTMF_DETECTOR_BOTH: detect digits in both bands if supported by</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment"> *     stream. When out-of-band digit arrives, in-band detection is turned off.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment"> * @param pool        Memory pool to allocate DTMF detector from.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"> * @return The object or NULL on error.</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment"> * @see mpf_dtmf_detector_create</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<a class="code" href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a>(<span class="keyword">struct</span> <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *) <a class="code" href="mpf__dtmf__detector_8h.html#af77e2a4c6d5b3f6af0aaf9d8a51eb40d">mpf_dtmf_detector_create_ex</a>(</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                                const struct <a class="code" href="structmpf__audio__stream__t.html">mpf_audio_stream_t</a> *stream,</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;                                enum <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117">mpf_dtmf_detector_band_e</a> band,</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                                struct apr_pool_t *pool);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"> * Create MPF DTMF detector (simple). Calls mpf_dtmf_detector_create_ex</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment"> * with band = MPF_DTMF_DETECTOR_BOTH if out-of-band supported by the stream,</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment"> * MPF_DTMF_DETECTOR_INBAND otherwise.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"> * @param stream      A stream to get digits from.</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment"> * @param pool        Memory pool to allocate DTMF detector from.</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment"> * @return The object or NULL on error.</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment"> * @see mpf_dtmf_detector_create_ex</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;static APR_INLINE struct <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *mpf_dtmf_detector_create(</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;                                const struct <a class="code" href="structmpf__audio__stream__t.html">mpf_audio_stream_t</a> *stream,</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;                                struct apr_pool_t *pool)</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;{</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="mpf__dtmf__detector_8h.html#af77e2a4c6d5b3f6af0aaf9d8a51eb40d">mpf_dtmf_detector_create_ex</a>(stream,</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        stream-&gt;tx_event_descriptor ? <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a3c063d8e41830362eeb8618bc3c0c1d9">MPF_DTMF_DETECTOR_BOTH</a> : <a class="code" href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a620f10aac9a5ac4ad6b092fcc728bfae">MPF_DTMF_DETECTOR_INBAND</a>,</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;        pool);</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;}</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"> * Get DTMF digit from buffer of digits detected so far and remove it.</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment"> * @param detector  The detector.</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment"> * @return DTMF character [0-9*#A-D] or NUL if the buffer is empty.</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<a class="code" href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a>(<span class="keywordtype">char</span>) <a class="code" href="mpf__dtmf__detector_8h.html#a995ca873113308bdd5720aa6e23767f6">mpf_dtmf_detector_digit_get</a>(struct <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *detector);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment"> * Retrieve how many digits was lost due to full buffer.</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment"> * @param detector  The detector.</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment"> * @return Number of lost digits.</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<a class="code" href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a>(apr_size_t) <a class="code" href="mpf__dtmf__detector_8h.html#a6c4ed11eacbb0145df6ca94d0d0010d7">mpf_dtmf_detector_digits_lost</a>(const struct <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *detector);</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment"> * Empty the buffer and reset detection states.</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"> * @param detector  The detector.</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<a class="code" href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="mpf__dtmf__detector_8h.html#a1276704c52c796a96ce4ace7e69b0959">mpf_dtmf_detector_reset</a>(struct <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *detector);</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment"> * Detect DTMF digits in the frame.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment"> * @param detector  The detector.</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment"> * @param frame     Frame object passed in stream_write().</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<a class="code" href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="mpf__dtmf__detector_8h.html#a650c50a44536334c180db1694a3adff8">mpf_dtmf_detector_get_frame</a>(</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;                                struct <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *detector,</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;                                const struct <a class="code" href="structmpf__frame__t.html">mpf_frame_t</a> *frame);</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment"> * Free all resources associated with the detector.</span></div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="comment"> * @param detector  The detector.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<a class="code" href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a>(<span class="keywordtype">void</span>) <a class="code" href="mpf__dtmf__detector_8h.html#ae15d47e4b714008270d2529b44f14f55">mpf_dtmf_detector_destroy</a>(struct <a class="code" href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a> *detector);</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<a class="code" href="apt_8h.html#a432919823b38eb7e2b6fa2b544fb1644">APT_END_EXTERN_C</a></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* MPF_DTMF_DETECTOR_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="structmpf__audio__stream__t_html"><div class="ttname"><a href="structmpf__audio__stream__t.html">mpf_audio_stream_t</a></div><div class="ttdef"><b>Definition:</b> mpf_stream.h:37</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_adbb794ffebd567878e5fd291e30c6117a3c063d8e41830362eeb8618bc3c0c1d9"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a3c063d8e41830362eeb8618bc3c0c1d9">MPF_DTMF_DETECTOR_BOTH</a></div><div class="ttdef"><b>Definition:</b> mpf_dtmf_detector.h:42</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_af77e2a4c6d5b3f6af0aaf9d8a51eb40d"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#af77e2a4c6d5b3f6af0aaf9d8a51eb40d">mpf_dtmf_detector_create_ex</a></div><div class="ttdeci">struct mpf_dtmf_detector_t * mpf_dtmf_detector_create_ex(const struct mpf_audio_stream_t *stream, enum mpf_dtmf_detector_band_e band, struct apr_pool_t *pool)</div></div>
<div class="ttc" id="mpf__stream_8h_html"><div class="ttname"><a href="mpf__stream_8h.html">mpf_stream.h</a></div><div class="ttdoc">MPF Bidirectional Stream. </div></div>
<div class="ttc" id="apt_8h_html_a432919823b38eb7e2b6fa2b544fb1644"><div class="ttname"><a href="apt_8h.html#a432919823b38eb7e2b6fa2b544fb1644">APT_END_EXTERN_C</a></div><div class="ttdeci">#define APT_END_EXTERN_C</div><div class="ttdef"><b>Definition:</b> apt.h:38</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_adbb794ffebd567878e5fd291e30c6117aa6b6dcf7496d4c69a892e290f2034af5"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117aa6b6dcf7496d4c69a892e290f2034af5">MPF_DTMF_DETECTOR_OUTBAND</a></div><div class="ttdef"><b>Definition:</b> mpf_dtmf_detector.h:40</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_a995ca873113308bdd5720aa6e23767f6"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#a995ca873113308bdd5720aa6e23767f6">mpf_dtmf_detector_digit_get</a></div><div class="ttdeci">char mpf_dtmf_detector_digit_get(struct mpf_dtmf_detector_t *detector)</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_ae15d47e4b714008270d2529b44f14f55"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#ae15d47e4b714008270d2529b44f14f55">mpf_dtmf_detector_destroy</a></div><div class="ttdeci">void mpf_dtmf_detector_destroy(struct mpf_dtmf_detector_t *detector)</div></div>
<div class="ttc" id="structmpf__frame__t_html"><div class="ttname"><a href="structmpf__frame__t.html">mpf_frame_t</a></div><div class="ttdef"><b>Definition:</b> mpf_frame.h:50</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_adbb794ffebd567878e5fd291e30c6117"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117">mpf_dtmf_detector_band_e</a></div><div class="ttdeci">mpf_dtmf_detector_band_e</div><div class="ttdef"><b>Definition:</b> mpf_dtmf_detector.h:36</div></div>
<div class="ttc" id="mpf_8h_html_ad304fb07b6dc1c02975c556d198992c8"><div class="ttname"><a href="mpf_8h.html#ad304fb07b6dc1c02975c556d198992c8">MPF_DECLARE</a></div><div class="ttdeci">#define MPF_DECLARE(type)</div><div class="ttdef"><b>Definition:</b> mpf.h:40</div></div>
<div class="ttc" id="apt_8h_html_ad3d792bfc75893affad257781ea46e55"><div class="ttname"><a href="apt_8h.html#ad3d792bfc75893affad257781ea46e55">APT_BEGIN_EXTERN_C</a></div><div class="ttdeci">#define APT_BEGIN_EXTERN_C</div><div class="ttdef"><b>Definition:</b> apt.h:36</div></div>
<div class="ttc" id="mpf__frame_8h_html"><div class="ttname"><a href="mpf__frame_8h.html">mpf_frame.h</a></div><div class="ttdoc">MPF Audio/Video/Named-event Frame. </div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_a1276704c52c796a96ce4ace7e69b0959"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#a1276704c52c796a96ce4ace7e69b0959">mpf_dtmf_detector_reset</a></div><div class="ttdeci">void mpf_dtmf_detector_reset(struct mpf_dtmf_detector_t *detector)</div></div>
<div class="ttc" id="apt_8h_html"><div class="ttname"><a href="apt_8h.html">apt.h</a></div><div class="ttdoc">APR Toolkit Definitions. </div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_a6c4ed11eacbb0145df6ca94d0d0010d7"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#a6c4ed11eacbb0145df6ca94d0d0010d7">mpf_dtmf_detector_digits_lost</a></div><div class="ttdeci">apr_size_t mpf_dtmf_detector_digits_lost(const struct mpf_dtmf_detector_t *detector)</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_a253769c764552dd765fcefd7803dcbd6"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#a253769c764552dd765fcefd7803dcbd6">mpf_dtmf_detector_t</a></div><div class="ttdeci">struct mpf_dtmf_detector_t mpf_dtmf_detector_t</div><div class="ttdef"><b>Definition:</b> mpf_dtmf_detector.h:46</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_adbb794ffebd567878e5fd291e30c6117a620f10aac9a5ac4ad6b092fcc728bfae"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#adbb794ffebd567878e5fd291e30c6117a620f10aac9a5ac4ad6b092fcc728bfae">MPF_DTMF_DETECTOR_INBAND</a></div><div class="ttdef"><b>Definition:</b> mpf_dtmf_detector.h:38</div></div>
<div class="ttc" id="mpf__dtmf__detector_8h_html_a650c50a44536334c180db1694a3adff8"><div class="ttname"><a href="mpf__dtmf__detector_8h.html#a650c50a44536334c180db1694a3adff8">mpf_dtmf_detector_get_frame</a></div><div class="ttdeci">void mpf_dtmf_detector_get_frame(struct mpf_dtmf_detector_t *detector, const struct mpf_frame_t *frame)</div></div>
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